Finding the Fourth Proportional to 213,424.99, 294,522.40 and 117,929.63
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Solution
The fourth proportional to 213,424.99, 294,522.40 and 117,929.63 is: 162,740.63
Step by Step Solution
- Step 1: Write the proportion equation
213,424.99 : 294,522.40 = 117,929.63 : x - Step 2: Convert to fraction form
213,424.99/294,522.40 = 117,929.63/x - Step 3: Cross multiply
213,424.99x = 294,522.40 × 117,929.63 - Step 4: Simplify right side
213,424.99x = 34,732,917,658.71 - Step 5: Solve for x
x = 34,732,917,658.71/213,424.99 - Step 6: Final answer
x = 162,740.63
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.